Answer:
4.5 minutes per 1 lap. 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
The second/below one is where point G in an orthocenter
Step-by-step explanation:
 
        
             
        
        
        
To solve this proportion:

Simplify 3/6, it reduces to 1/2

Then do the Criss cross method
1d = 7 ×2
d=14
Hope it helps!
 
        
                    
             
        
        
        
Answer:
226.796
Step-by-step explanation: